Introduction to Modern Economic Growth Easterlin, Richard A (1960b) “Interregional Differences in Per Capita Income, Population, and Total Income, 1840-1950.“ in Trends in the American Economy in the Nineteenth Century, Princeton University Press, Princeton, NJ Easterlin, William (1981) “Why Isn’t the Whole World Developed?” Journal of Economic History, 41, pp 1-19 Easterly, William and Ross Levine (1997) “Africa’s Growth Tragedy: Policies and Ethnic Divisions.” Quarterly Journal of Economics, 112, pp 1203-1250 Easterly, William (2001) The Elusive Quest for Growth The MIT Press, Cambridge, MA Echevarria, Cristina (1997) “Changes in Sectoral Composition Associated with Economic Growth.” International Economic Review, 38, pp 431-452 Ethier, Wilfred J (1982) “National and International Returnds to Scale in the Modern Theory of International Trade.“ American Economic Review, 72, pp 389405 Fisher, I (1930) The Theory of Interests Macmillan, New York, NY Galor, Oded and Omer Moav (2000) “Ability Biased Technology Transition, Wage Inequality and Growth.” Quarterly Journal of Economics, 115, pp 469-498 Galor, Oded and Omer Moav (2002) “Natural Selection and the origin of Economic Growth.” Quaterly Journal of Economics, 117, pp 1133-1192 Galor, Oded and Daniel Tsiddon (1997) ’Tecnological Progress, Mobility, and Growth.” American Economic Review, 87, pp 363382 Galor, Oded and David Weil (1996) “The Gender Gap, Fertility, and Growth.“ American Economic Review, 86, pp 374-387 Galor, Oded and David Weil (2000) “Population, Technology, and Growth: From Malthusian Stagnation to the Demographic Transition and Beyond.“ American Economic Review, 90, pp 806-828 Galor, Oded and Joseph Zeira (1993) “Income Distribution and Macroeconomics.“ Review of Economic Studies, 60, pp 35-52 Galor, Oded (2005) “From Stagnation to Growth: Unified Growth Theory.” in Philippe Aghion and Steven Durlauf (editors) Handbook of Economic Growth, North Holland, Amsterdam, pp 171-293 838